Home / 11,055.29-16,590.95-8,289.41

Finding the Fourth Proportional to 11,055.29, 16,590.95 and 8,289.41

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Solution

The fourth proportional to 11,055.29, 16,590.95 and 8,289.41 is: 12,440.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    11,055.29 : 16,590.95 = 8,289.41 : x
  2. Step 2: Convert to fraction form
    11,055.29/16,590.95 = 8,289.41/x
  3. Step 3: Cross multiply
    11,055.29x = 16,590.95 × 8,289.41
  4. Step 4: Simplify right side
    11,055.29x = 137,529,155.74
  5. Step 5: Solve for x
    x = 137,529,155.74/11,055.29
  6. Step 6: Final answer
    x = 12,440.12

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.